Window-screen.



No.7'78,423. I I 'PATENTED'DEC. 27, 1904. A. H. MIX & W. H. N. MAYNARD.

WINDOW SCREEN.

APPLIOA'LION FILED MAY 23, 1904.

I Q Q I v .4 fidrifi f B2- I I 52.. JNVENTORS' UNITED ST TES ALLEN H. MIX AND WILLIAM H. N. MAYNARD, or BURLINGTON, VERMONT, I

Patented December 27, 1904.

PATENT OFFICE.

ASSIGNORS TO PORTER SCREEN MANUFACTURING COMPANY, OF BUR- LINGTON, VERMONT, A. CORPORATION.

SPECIFICATION forming part of Letters Patent-N0. 778,423, dated December 27,1904.

' Application filed May 23, 1904. Serial No. 209,209.

.To all whom, it Ina/,7 concern: l

Be it known that we, ALLEN H. MI and,

WILLIAM H. N. MAYNARD, citizens of the United States, and residents of Burlington, in the county of Ohittenden and State of Ver- -mont, have invented a certain new and useful Improvement in WindowScreens, of which the following is a specification.

Our 1nvent1on relates to extension-screen composed of sections so connected and held together by clips or fasteners as to permit one the claims, the main characteristic of the in vention being that the clips are formed each of metal substantially V-shaped in cross-section or with legs oppositely inclined with respect to each other, which legs are received in correspondingly-inclined longitudinal slots in the meeting faces of the overlapping rails of the screen-sections, one inclined leg'of the clip being secured by any suitable means in the inclined slot in one of the rails and the other-inclined leg of the clip being fitted into and adapted to slide lengthwise of the inclined slot in the opposite rail. I

In said drawings, Figure 1' is a perspective View of a screen, partly extended, embodying our invention in its preferred form. Fig. 2

, is a perspective view ofone of the clips detached. Fig. 3 is a section on line 3 3, Fig. 1. Fig. 4 is an inner face elevation of part of one of the screen-sections. Fig. 5 is a crosssection of a modification. Fig.6 is a crosssection of still another modification.

Each screen-section is composed of a verti cal end rail A, top and bottom horizontal rails B, and an inner. vertical rail O, usually of metal and which may be of any suitable convember 26, 1901.

:s truction. In this instance it is a sheet-metal angle-iron-strip of the kind shown and described in Letters Patent No. 687,466, of N o- The wire-netting D is secured to this strip O in the manner indicated in said patent and to the end rail A by a covering-strip A in the usual way. Its longitudinal edges are located in longitudinal recesses. hone in each rail B,formed in the meeting faces and along the inner edges of said rails, and are there secured by covering-strips B of a size to. fill said recesses and be flush with the faces of their respective rails. In the unrecessed portions of the rails B, between the points, ;where the recesses Z) end and the outer edges of The months or inner ends of the slots are open and are so located that whenever the screensections are put together the open ends of the two slots cl of each pair of'rails B will substantially register with one another, thus forming, in efliect, a continuous V-shaped slot, one leg of which is located in one ra1l B and the other leg of which is located in the other.

rail B. These slots can be readily and expeditiously cut in the rails B by an easy and inexpensive operation. of the inclinedslots may be next tothe recesses b, as already described, or next to the outer edges of the rails, as indicated in Fig. 6.

To secure the two screen-sections together, we make use of V-shaped sheet-metal clips E of shape corresponding to the conjoined oppositely-inclintad slots (2, one of which clips is shown detached in Fig. 2. One leg of each clip is inserted and fitted into one of the slots (l and is there secured by any suitable means, and its other leg is inserted and fitted into the other companion slot d in the opposite rail and isfree to slide lengthwise therein. Each top and bottom rail B is prolonged beyond its inner rail O, as at B and in the slot d in The converging ends 7 this extension B a clip E is secured. To fit and secure the clips E in place is a simple matter. screen-sections are put together so as to partly overlap is to insert one leg of the clip into the slot (Z in the body of that rail B in which .it is to slide, as indicated in dotted lines at E Fig. 1, and then to push it along in that slot until its other leg enters and is housed in the portion of the slot (Z in the extension B of the opposite rail B, where it can be secured against movement by nails or by any other suitable means. Thus the two screen-sections can be completed in all respects before they are put together, and the clips can then be applied and fitted and secured in place easily and quickly. There is also a saving of material in that a clip of this kind requires less metal than others now in use. e may widen the slots at their mouths or interior opposite ends, as in Fig. 5, in which event the apex of the clip may be blunted to follow the conformation of the edges of the slots which it bridges; but the opposite inclined legs of the clip and the correspondingly inclined slots are still retained.

We are aware that the two sliding sections of a screen have been united by metallic slides of X or cross shape, engaging correspondinglyshaped grooves in the meeting faces of the overlapping rails of the screen-sections, as in Patent No. 729,419, of May 26, 1903. This we do not claim, nor would it be possible with a device of the kind referred to to complete the two screen-sections before applying the clips and fitting or telescoping the sections together, as can be done under our arrangement.

Having described our invention and the manner in which the same is or may be carried into effect, we state in conclusion that we do not limit ourselves narrowly to the structural details hereinbefore set forth and illustrated; but

- What wetbelieve to be new herein, and desire to secure by Letters Patent, is as follows:

1. In an extension-screen, two overlapping screen-sections having in their overlapping rails oppositely inclined longitudinal slots,

All that is needed after the two which open on the inner or meeting faces of the rails, and register at their open ends with one another to form a continuous slotof substantially V cross-section, and clips of corresponding shape, one for each rail. each clip having one leg fitted and adapted to slide in and lengthwise of the oppositely-inchned slot in the adjoining rail, substantially as and for the purpose hereinbefore set forth.

2. In an extension-screen two overlapping screen-sections, having overlapping rails B with end portions B extending inwardly beyond their inner vertical rails C, oppositelyinclined slots (Z in said rails which open on the inner or meeting faces of said rails and register at their open ends with one another to form a continuous slot of substantially V cross section, and clips of corresponding shape, one for each rail, and having one leg fitted and secured in the portion of the slotrl in the extension B of its rail, and the other leg fitted and adapted to slide lengthwise in the oppositely-inclined slot d of the adjoining rail, substantially asand for the purpose hereinbefore set forth.

3. In an extension-screen, two overlapping screen-sections havi'ng overlapping rails l), longitudinal recesses 71 in the meeting faces and along the inner edges of said rails, wirenetting having its edges located in said recesses, covering-strips B secured in said recesses over the edges of the wire-net ting therein, oppositely-inclined longitudii'ial slots 1/ in said rails, whose open ends are in the meeting faces of the rails beyond the recesses band register with one another to form a eontinuo'us slot of substantially V cross-section, and clips of correspomling shape, having one leg secured in the slot (Z of one rail and the other leg fitted and adapted to slide in the oppositely-inclined slot (1 of the opposite rail, sub stantially as hereinhefore set forth.

In testimony whereof wca llix our signatures in presence of two witnesses.

ALLEN H. MIX. \VILLIAM H. N. MiiYNARl). lVitnesses:

' H. F. WoLoo'r'r, L. R. S'IINSON. 

